Where does “quadrangulaire” come from?
quadrangulaire (French) comes from Latin quadrangularis, from Latin quadrangulum, from Latin quadrangulus, from Latin quattŭor, from Portuguese quarto, from Old Portuguese quarto, from Latin quārtus, from Proto-Indo-European kʷeturtos — and.
quadrangulaire (French): quadrangular
Ancestry of “quadrangulaire”, step by step
Words derived from “quadrangulaire”